correct NULL to INT_MIN
Merge branch 'piggyback_master' of https://github.com/mpws2013n1/postgres into piggyback_master
Merge branch 'piggyback_master' of https://github.com/mpws2013n1/postgres into piggyback_master
Merge branch 'piggyback_master' of https://github.com/mpws2013n1/postgres into piggyback_master
New array slotValues for storing tuple values
Improve FD calculation performance
Merge branch 'piggyback_master' of https://github.com/mpws2013n1/postgres into piggyback_master
merge with selection handler: SeqScan and IndexScan can handle special selections
do not use base statistics
Merge branch 'piggyback_master' of https://github.com/mpws2013n1/postgres.git into piggyback_master
give correct List* to LookForFilterWithEquality in case T_Agg, still in a comment because it does not work completely
Fix min and max type to int pointer. 
Fix server console statistics print.
Merge branch 'piggyback_master' of https://github.com/mpws2013n1/postgres into piggyback_master
put fd output to footers again and changed html ouput fomatting to put them at top of the table
added script to run query and start chrome with html output, added reinstall.sh script to completly clean, make, and reinstall postgres
fixed some segmentation faults in client and server
TODO: use isFinal everywhere
Merge branch 'piggyback_master' of
https://github.com/mpws2013n1/postgres into piggyback_master

Conflicts:
	src/bin/psql/print.c
Merge branch 'piggyback_master' into selection_handler
removed selection handling from AggState because table oid is not known